22211210111 has 2 divisors, whose sum is σ = 22211210112. Its totient is φ = 22211210110.

The previous prime is 22211210081. The next prime is 22211210117. The reversal of 22211210111 is 11101211222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211210111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211210117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105605055 + 11105605056.

It is an arithmetic number, because the mean of its divisors is an integer number (11105605056).

Almost surely, 2^22211210111 is an apocalyptic number.

22211210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211210111 is an equidigital number, since it uses as much as digits as its factorization.

22211210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22211210111 its reverse (11101211222), we get a palindrome (33312421333).

The spelling of 22211210111 in words is "twenty-two billion, two hundred eleven million, two hundred ten thousand, one hundred eleven".